Characrerization of Arba Minch University General Hospital, Construction Site, Using Seismic Refraction Method in Arba Minch Town of Southern Ehiopia

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Abstract The seismic refraction method is one of geophysical technic which is frequently used to determine the characteristics of soils and rocks (Ugwu, 2008; Ayolabi et al.,2009). This geophysical method is based on measuring the arrival times of seismic waves refracted by the interfaces between layers of ground, characterized by different propagation speeds. The energy source is represented by an impact on the surface. The energy radiates from the “shot point,-travelling both directly in the uppermost layer (direct arrivals), and deep down and laterally along layers at a higher speed (refracted arrivals)-then returning to the surface, where it is measured through the spreading of geophones.

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